CN113089400A - Two-layer overpass with staggered cross-shaped crossroad - Google Patents
Two-layer overpass with staggered cross-shaped crossroad Download PDFInfo
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- CN113089400A CN113089400A CN202110548371.3A CN202110548371A CN113089400A CN 113089400 A CN113089400 A CN 113089400A CN 202110548371 A CN202110548371 A CN 202110548371A CN 113089400 A CN113089400 A CN 113089400A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/04—Road crossings on different levels; Interconnections between roads on different levels
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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Abstract
The invention relates to a two-layer overpass in a cross shape with staggered intersections, which is positioned at the intersections and only has one two-layer bridge floor, and the overpass has sixteen lanes. The method comprises the following steps: four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The two layers of bridge surfaces of the overpass are dodecagonal, and the outline of the two layers of bridge surfaces is in a staggered cross shape. The two east-west straight lanes are arranged on two bridge floors in the whole process, and the two south-north straight lanes are arranged on one ground in the whole process. And four left turning lanes, or drilling a bridge opening on the first floor, turning left after the bridge opening is formed, and rising to the second floor via a ramp after turning, or firstly passing through the second floor and then descending to the first floor, turning left, and passing through the bridge opening after turning. Four right-turning lanes are arranged on the ground layer in the whole process. In fig. 1, the two turn-around lanes are all on the ground of one floor, and the two turn-around lanes pass through the bridge floor of two floors. In fig. 3 and 5, all four turn lanes are on the ground of one floor.
Description
Technical Field
The invention relates to an overpass, in particular to a two-layer overpass which is different from the existing overpass and has a cross shape with a staggered intersection.
Background
Crossroads overpasses in China are mostly of three-layer structures, some overpasses are even of four-layer structures, and five-layer overpasses appear in Wulu wood order. Six-layer overpasses appear in Taiyuan, Lanzhou and Chengdu. The overpass is high when the overpass is layered, the ramp is long when the overpass is high, and the cost of the overpass is high when the ramp is long. Reducing the number of layers of the overpass is an effective way for reducing the cost of the overpass. In addition, the overpass has more bridge floors and relatively higher manufacturing cost, and the crossroad-shaped two-layer overpass provided by the invention has only one two-layer bridge floor and has much lower manufacturing cost than the existing three-layer four-layer overpass. The structure of the overpass is very simple, and the construction cost of the overpass can be greatly reduced. The overpass aims to solve the technical problem of how to reduce the level of the overpass, the occupied area of the overpass is small, and the overpass has no vehicle conflict. If the trend of each lane is designed, the overpass is small and exquisite, and the overpass is small and small. And sixteen lanes of the overpass can be allowed to run on the same lane without obstruction. In addition, the invention has no ramp and is a great characteristic of the invention.
Disclosure of Invention
The invention relates to a two-layer overpass in a cross shape with staggered intersections, which is positioned at the intersections and only has one two-layer bridge floor, and the overpass has sixteen lanes. The method comprises the following steps: four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The two layers of bridge surfaces of the overpass are dodecagons formed by twelve line segments in a surrounding mode, and the outlines of the two layers of bridge surfaces are in a staggered cross shape. The staggered cross-shaped bridge floor is not a staggered crossroad. Four straight lanes, two east-west straight lanes 3 and 4 are on two layers of bridge surface, and two south-north straight lanes 1 and 2 are on one layer of ground. And (3) drilling a bridge opening on the ground of one layer, turning left after the bridge opening is formed, ascending to a two-layer bridge floor through a ramp after turning, and descending to the ground of one layer after crossing two lanes below the bridge. The other two left turning lanes firstly rise to a second deck through the ramp, cross over six lanes below the bridge and then descend to a first floor through the ramp, then turn left, and pass through the bridge opening after turning. Four right-turning lanes are arranged on the ground layer in the whole process. In fig. 1, two turning lanes (an east-going car and a west-going car) are located on the ground of one floor, and the other two turning lanes (a north-going car and a south-going car) need to pass through two floors. In fig. 3 and 5, all four turning lanes are on the ground of one floor. Fig. 5 shows lane No. 1 and lane No. 9, and lane No. 2 and lane No. 10 in fig. 3, which are interchanged. In fig. 5, the shape of the two-deck is closer to the shape of the cross deck than in fig. 1 and 3. The following is divided into nine parts to describe the invention in detail.
A first part: FIG. 1-sixteen lanes of overpass
Fig. 1 is a sixteen lane traveling diagram of the overpass (turning lanes of a south-going vehicle and a north-going vehicle are on a second deck). The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane 3 from east to west and the straight lane 4 from west to east are on two layers of bridge floor in the whole process. The straight lane from south to north 1 and the straight lane from north to south 2 are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. Four right- turning lanes 5, 6, 7 and 8 are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two bridge floors. The lane 9 turning left from south to west runs from south to north on the ground of the first floor, passes through the bridge opening with lanes 13, 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge opening, turns left, rises to the bridge floor of the second floor through the ramp after turning, and goes down to the ground of the first floor through the ramp after the bridge floor of the second floor crosses two lanes of No. 2 and No. 10 under the bridge, and then continues to run westward. Turning left on the lane 10 from north to east, starting to run on the ground of the first floor from north to south, and passing through the bridge opening with lanes 14, 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge opening, turning left, rising to the bridge floor of the second floor through the ramp after turning, getting off the bridge through the ramp after the bridge floor of the second floor crosses two lanes of No. 9 and No. 1 under the bridge, and going to the ground of the first floor, and then continuing to run from west to east. The left turning lane 11 from the south to the east rises to a two-layer bridge floor from the west to the east, 15, 12, 1, 9, 10 and 2 cross the lower part of the bridge floor, and after six lanes get off the bridge through a ramp, the left turning lane gets through a bridge opening with 3, 4 and 12 lanes on the upper part after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 2, 10, 9 and 1 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The turn-around lane for the east coming vehicle and the turn-around lane for the west coming vehicle are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. Turning lanes of the vehicles coming from the south and turning lanes of the vehicles coming from the north are firstly turned left on the ground of one floor, then the vehicles go up a ramp to the two floors after turning, cross over two lanes under the bridge, go off the bridge through a downslope, and then turn left after going to the ground of one floor.
Figure 2 is a two deck profile of figure 1. The shape of the second deck in figure 2 is a staggered cross shape, is a dodecagon shape and is provided with eight parallel east-west lanes.
A second part: FIG. 3 shows sixteen lanes of an overpass
Fig. 3 is a sixteen lane driving pattern of the overpass (turning lanes of the south-going vehicle and the north-going vehicle are on one floor). FIG. 3 shows the lane No. 13 and lane No. 14 in FIG. 1, which are moved from the second deck to the first deck. The positions of a south-direction coming vehicle turning lane and a north-direction coming vehicle turning lane are moved. The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane from east to west and the straight lane from west to east are on two layers of bridge floor in the whole course. The straight lanes from south to north and the straight lanes from north to south are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. The four right-turning lanes are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two layers of bridge floors. The lane 9 turns left from south to west and runs from south to north on the ground of the first floor, passes through the bridge opening with lanes 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge opening, turns left, rises to the bridge floor of the second floor through the ramp after turning, and runs to west after the bridge floor crosses the bridge and has lanes 2 and 10, descends to the bridge through the ramp, and reaches the ground of the first floor. Turning left on the lane 10 from north to east, starting to run on the ground of the first floor from north to south, and passing through the bridge opening with lanes 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge opening, turning left, rising to the bridge floor of the second floor through the ramp after turning, getting off the bridge to the ground of the first floor through the ramp after the bridge floor of the second floor crosses two lanes 9 and 1 below the bridge, and then continuing to run to east. The left turning lane 11 in the southeast direction firstly goes up to two layers of bridge floors, 15, 12, 1, 9, 10 and 2 are arranged under the bridge floors in a crossing mode, after six lanes go down the bridge through a ramp and reach the ground of one layer, the left turning lane passes through the bridge opening with 3, 4 and 12 lanes on the upper side after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 2, 10, 9 and 1 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The U-turn lane 15 of the east coming vehicle, the U-turn lane 16 of the west coming vehicle, the U-turn lane 13 of the south coming vehicle and the U-turn lane 14 of the north coming vehicle are all on the ground of one floor, and no bridge floor of two floors is arranged.
Figure 4 is a two deck profile of figure 3. The shape of the second deck in figure 4 is a staggered cross shape, is a dodecagon shape and has six parallel east-west lanes.
And a third part: FIG. 5 shows sixteen lanes of an overpass
Fig. 5 shows a pattern generated after lane 1 and lane 9 in fig. 3 are switched and lane 2 and lane 10 are switched. The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane from south to north 1 and the straight lane from north to south 2 are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. The straight lane 3 from east to west and the straight lane 4 from west to east are on two layers of bridge floor in the whole process. Four right-turning lanes 5, 6, 7 and 8 are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two bridge floors. The left turning lane 9 in the south, west and the left starts to run from south to north on the ground of the first floor, passes through the bridge openings of lanes 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge openings, turns left, rises to the bridge floor of the second floor through the ramp after turning, spans the bridge below the bridge and has 1, 2 and 10, descends to the ground of the first floor through the ramp after three lanes, and then continues to run towards the west. Turning left on the lane 10 from north to east, running from north to south on the ground of the first floor, passing through the bridge openings of lanes 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge openings, turning left, rising to the bridge floor of the second floor through the ramp after turning, descending to the ground of the first floor through the ramp after the bridge floor of the second floor crosses three lanes 2, 1 and 9 below the bridge, and continuing running to east. The left turning lane 11 in the southeast direction firstly goes up to two layers of bridge floors, 15, 12, 9, 1, 2 and 10 are arranged under the bridge floors in a crossing mode, after six lanes go down the bridge through a ramp and reach the ground of one layer, the left turning lane passes through the bridge opening with 3, 4 and 12 lanes on the upper side after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 10, 2, 1 and 9 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The turn-around lane for the coming car in the south direction, the turn-around lane for the coming car in the north direction, the turn-around lane for the coming car in the east direction and the turn-around lane for the coming car in the west direction are all on the ground at one floor, and no bridge floor is arranged at the two floors.
Figure 6 is a two deck profile of figure 5. The shape of the second deck in figure 6 is a staggered cross shape, is a dodecagon shape and has six parallel east-west lanes.
The fourth part: four pedestrian passages of overpass
Four pedestrian passages are arranged on the ground of one floor of the overpass, and road traffic lights are arranged above the entrance of the straight lane in the coming direction. Pedestrians and vehicles can wait or pass according to the display of the road traffic signal lamp. The alternating passing of the pedestrians and the vehicles is realized. The road traffic signal lamp adopts a two-step circulation mode: pedestrian → vehicle → pedestrian → vehicle … ….
The fifth part is that: two-layer bridge floor shape
Fig. 2, 4 and 6 are the shape diagrams of the two-layer bridge surface of the overpass. Fig. 2, 4 and 6 show the relevant lines outside the two-deck in fig. 1, 3 and 5, which are removed, and the remaining parts are removed after the lines are removed. As can be seen from fig. 2, 4 and 6: the two layers of bridge surfaces of the overpass are actually in a staggered cross shape. Is a dodecagon formed by the enclosed twelve line segments. In fig. 2, 4 and 6, the numbers 1-12 beside the edge of the two-layer bridge deck are the numbers of the dodecagons from 1 to 12 sides.
A sixth part: another insight to the invention
The invention is regarded as a crossroad staggered cross-shaped two-layer overpass, which is a method, and from another angle, the overpass can be regarded as an east-west two-layer bridge deck, and four bridge openings are arranged below the bridge deck. Counting from west to east, the first bridge opening is provided with two lanes to pass through, and the two lanes are as follows: a turning lane 16 for a west coming vehicle and a left turning lane 11 from the south of the east. The second bridge opening is provided with two lanes for passing through, and the two lanes are as follows: a straight lane 2 from north to south and a left turn lane 10 from north to east. And a third bridge opening, wherein two lanes pass through the third bridge opening, and the two lanes are as follows: a lane 9 turning from south to west and a lane 1 going straight from south to north. And a fourth bridge opening, wherein two lanes pass through the fourth bridge opening, and the two lanes are as follows: a turning lane 12 turning left from the west and a turning lane 15 coming from the east. That is, it can be said that: and the second layer of bridge surface is provided with eight or six east-west lanes. Four bridge openings are arranged below the bridge floor, and each bridge opening is provided with two lanes.
A seventh part: characteristic of the invention
The overpass is positioned at a crossroad and only has two layers of bridge floors.
And 2, the two layers of bridge surfaces are dodecagons, and the profiles of the two layers of bridge surfaces are staggered and cross-shaped.
And 3, the overpass has sixteen lanes comprising four straight lanes, four right-turning lanes, four left-turning lanes and four turning lanes.
4, the straight lane from east to west and the straight lane from west to east are on the two layers of bridge floor in the whole course. The straight lanes from south to north and the straight lanes from north to south are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged.
And 5, four right-turning lanes are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two layers of bridge floors.
And 6, turning left from south to west and turning left from north to east on the ground at the first layer and passing through the bridge opening to form the bridge opening, turning left, ascending to a second layer of bridge surface after turning, descending to the ground at the first layer after crossing two lanes below the bridge on the second layer of bridge surface, and continuing to turn west or east.
And 7, firstly, putting two layers of bridge floors on the south-east turning lane and the north-west turning lane, crossing six lanes below the bridge, descending the bridge through a ramp, turning left after reaching the ground of one layer, passing through the bridge opening after turning, and continuing to turn south or north after passing through the bridge opening.
In fig. 1, 3 and 5, the turn-around lanes of the east-going vehicles and the turn-around lanes of the west-going vehicles are on the same floor at the same time, and no bridge floor is arranged at the same floor.
In fig. 1, the turning lane for the southbound vehicle and the turning lane for the northbound vehicle turn left on the ground of the first floor, and after turning, go through the uphill road to the second floor, cross over the two lanes under the bridge, go through the downhill road to get off the bridge, go down to the ground of the first floor, and then turn left.
10, the overpass has no ramp.
The eighth part: inventive step of the invention
Compared with the prior art, the invention has substantive characteristics and remarkable progress. The expression is as follows:
1, the overpass has only two layers. The two-layer overpass is the overpass with the lowest level. The low level is the primary goal pursued by designers of overpasses. Because the bridge deck and the bridge opening under the bridge are fully utilized, the problem of interweaving among sixteen lanes is solved.
2, the overpass has no ramp. No ramp is another goal sought by designers of overpasses.
And 3, the overpass only has one bridge deck. Few bridge decks are the third goal pursued by designers of overpasses.
And 4, the overpass has sixteen lanes. Compared with the existing overpass, four turning lanes are added. Lane-sharing is the fourth goal pursued by designers of overpasses.
And 5, the overpass has four pedestrian paths. It is the fifth goal pursued by designers of overpasses that no additional overpasses need to be arranged or underground pedestrian tunnels need to be excavated.
6, all turning positions of turning lanes of the overpass are arranged on the ground layer, and bridge falling accidents are avoided. The no-drop accident is the sixth goal pursued by the designers of the overpass.
7, the overpass has compact structure and small occupied area, and is particularly important for super-large cities with large soil and gold. Economic utilization is the seventh goal pursued by designers of overpasses.
In view of the above seven points, i consider the present invention to be inventive.
The ninth part: the overpass has the advantages of
The overpass has the advantages that:
(1) the overpass has only one two-layer bridge floor. Because the height of the second deck is not too high, the ramps of all the lanes passing through the second deck are shorter, and the investment for building the bridge is saved. The two layers of bridge surfaces of the overpass are in a staggered cross shape, and the structure is very simple. There is no skylight and no ramp. The design difficulty is not great.
(2) The overpass has fewer ramps.
(3) The vehicle running through the overpass is convenient, four right-turning lanes, two south-north straight lanes, two turning lanes and the turning part of the turning lane are not provided with two layers of bridge floors. The vehicles passing through the second layer of bridge deck only have two east-west straight lanes, a turning lane for a south-going vehicle, a turning lane for a north-going vehicle and east-west parts of four left turning lanes.
(4) The overpass has four pedestrian paths. And an overbridge does not need to be additionally arranged or an underground pedestrian passageway does not need to be excavated.
(5) All turning lanes of the overpass are positioned on the ground of one floor, and no turning part is positioned on the bridge surface of the second floor, so that drivers passing through the overpass do not worry about falling accidents.
Drawings
FIG. 1: the overpass is sixteen lanes in a traffic pattern (two turning lanes pass through two layers of bridge deck).
FIG. 2: figure 1 is a two-deck shape pattern of the overpass.
FIG. 3: the overpass is a sixteen-lane running pattern (four turning lanes are all on the ground of one floor).
FIG. 4: figure 3 is a two-deck shape pattern for an overpass.
FIG. 5: the overpass has sixteen lane-oriented graphs (the lane 1 and the lane 9 in fig. 3 are exchanged in position, and the lane 2 and the lane 10 are exchanged in position).
FIG. 6: figure 5 is a two-deck shape pattern for an overpass.
The abstract attached drawings are as follows: as in fig. 5.
Detailed Description
In fig. 1, fig. 3, fig. 5 and the abstract drawings, the labeled numbers have the following meanings:
1: the first lane is a straight lane from south to north.
2: and the second lane is a straight lane from north to south.
3: lane three, the straight lane from east to west.
4: lane four, lane four going straight from west to east.
5: and the fifth lane turns from south to east.
6: and the sixth lane turns from north to west and turns right.
7: and the seventh lane turns from east to north and turns right.
8: and the eighth lane is a lane turning from the south to the right.
9: and the lane No. nine is a lane turning from south to west and left.
10: and the tenth lane turns from north to east.
11: and the lane No. eleven is a lane turning from the south to the left.
12: and the twelve-number lane turns left from west to north.
13: lane thirteen, southbound coming turn around lane.
14: fourteen lanes, the northbound turn-around lane.
15: lane fifteen, the east-turning lane.
16: sixteenth lane, the west coming turn lane.
In figures 1 and 2 and the abstract,
and 1, a thick solid line is a lane on a two-layer bridge floor.
And 2, a thin solid line is a two-layer bridge deck contour line.
And 3, the zebra crossing with the one-to-one black-white ratio is a lane on the ground.
And 4, the zebra crossing with the black-white ratio of three to one is an up-ramp or down-ramp between the ground of one floor and the bridge floor of two floors.
And 5, a dotted line formed by thin points is a lane of the first floor which is not visible under the second floor.
And 6, in figure 1, numbers 1-12 beside the edge of the two-layer bridge deck are numbers of 1 to 12 sides of the dodecagon.
The following detailed description is provided.
A first part: FIG. 1-sixteen lanes of overpass
Fig. 1 is a sixteen lane traveling diagram of the overpass (turning lanes of a south-going vehicle and a north-going vehicle are on a second deck). The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane 3 from east to west and the straight lane 4 from west to east are on two layers of bridge floor in the whole process. The straight lane from south to north 1 and the straight lane from north to south 2 are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. Four right-turning lanes 5, 6, 7 and 8 are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two bridge floors. The lane 9 turning left from south to west runs from south to north on the ground of the first floor, passes through the bridge opening with lanes 13, 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge opening, turns left, rises to the bridge floor of the second floor through the ramp after turning, and goes down to the ground of the first floor through the ramp after the bridge floor of the second floor crosses two lanes of No. 2 and No. 10 under the bridge, and then continues to run westward. Turning left on the lane 10 from north to east, starting to run on the ground of the first floor from north to south, and passing through the bridge opening with lanes 14, 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge opening, turning left, rising to the bridge floor of the second floor through the ramp after turning, getting off the bridge through the ramp after the bridge floor of the second floor crosses two lanes of No. 9 and No. 1 under the bridge, and going to the ground of the first floor, and then continuing to run from west to east. The left turning lane 11 from the south to the east rises to a two-layer bridge floor from the west to the east, 15, 12, 1, 9, 10 and 2 cross the lower part of the bridge floor, and after six lanes get off the bridge through a ramp, the left turning lane gets through a bridge opening with 3, 4 and 12 lanes on the upper part after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 2, 10, 9 and 1 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The turn-around lane for the east coming vehicle and the turn-around lane for the west coming vehicle are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. Turning lanes of the vehicles coming from the south and turning lanes of the vehicles coming from the north are firstly turned left on the ground of one floor, then the vehicles go up a ramp to the two floors after turning, cross over two lanes under the bridge, go off the bridge through a downslope, and then turn left after going to the ground of one floor.
Figure 2 is a two deck profile of figure 1. The shape of the two-deck shown in fig. 2 is a cross shape, and is a dodecagon shape, and eight parallel east-west lanes are provided.
A second part: FIG. 3 shows sixteen lanes of an overpass
Fig. 3 is a sixteen lane driving pattern of the overpass (turning lanes of the south-going vehicle and the north-going vehicle are on one floor). FIG. 3 shows the lane No. 13 and lane No. 14 in FIG. 1, which are moved from the second deck to the first deck. The positions of a south-direction coming vehicle turning lane and a north-direction coming vehicle turning lane are moved. The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane from east to west and the straight lane from west to east are on two layers of bridge floor in the whole course. The straight lanes from south to north and the straight lanes from north to south are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. The four right-turning lanes are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two layers of bridge floors. The lane 9 turns left from south to west and runs from south to north on the ground of the first floor, passes through the bridge opening with lanes 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge opening, turns left, rises to the bridge floor of the second floor through the ramp after turning, and runs to west after the bridge floor crosses the bridge and has lanes 2 and 10, descends to the bridge through the ramp, and reaches the ground of the first floor. Turning left on the lane 10 from north to east, starting to run on the ground of the first floor from north to south, and passing through the bridge opening with lanes 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge opening, turning left, rising to the bridge floor of the second floor through the ramp after turning, getting off the bridge to the ground of the first floor through the ramp after the bridge floor of the second floor crosses two lanes 9 and 1 below the bridge, and then continuing to run to east. The left turning lane 11 in the southeast direction firstly goes up to two layers of bridge floors, 15, 12, 1, 9, 10 and 2 are arranged under the bridge floors in a crossing mode, after six lanes go down the bridge through a ramp and reach the ground of one layer, the left turning lane passes through the bridge opening with 3, 4 and 12 lanes on the upper side after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 2, 10, 9 and 1 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The U-turn lane 15 of the east coming vehicle, the U-turn lane 16 of the west coming vehicle, the U-turn lane 13 of the south coming vehicle and the U-turn lane 14 of the north coming vehicle are all on the ground of one floor, and no bridge floor of two floors is arranged.
Figure 4 is a two deck profile of figure 3. The shape of the second deck in figure 4 is a staggered cross shape, is a dodecagon shape and has six parallel east-west lanes.
And a third part: FIG. 5 shows sixteen lanes of an overpass
Fig. 5 shows a pattern generated after lane 1 and lane 9 in fig. 3 are switched and lane 2 and lane 10 are switched. The overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes. The straight lane from south to north 1 and the straight lane from north to south 2 are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged. The straight lane 3 from east to west and the straight lane 4 from west to east are on two layers of bridge floor in the whole process. Four right-turning lanes 5, 6, 7 and 8 are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two bridge floors. The left turning lane 9 in the south, west and the left starts to run from south to north on the ground of the first floor, passes through the bridge openings of lanes 10, 12, 4, 3 and 11 on the bridge floor of the second floor, gets out of the bridge openings, turns left, rises to the bridge floor of the second floor through the ramp after turning, spans the bridge below the bridge and has 1, 2 and 10, descends to the ground of the first floor through the ramp after three lanes, and then continues to run towards the west. Turning left on the lane 10 from north to east, running from north to south on the ground of the first floor, passing through the bridge openings of lanes 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge openings, turning left, rising to the bridge floor of the second floor through the ramp after turning, descending to the ground of the first floor through the ramp after the bridge floor of the second floor crosses three lanes 2, 1 and 9 below the bridge, and continuing running to east. The left turning lane 11 in the southeast direction firstly goes up to two layers of bridge floors, 15, 12, 9, 1, 2 and 10 are arranged under the bridge floors in a crossing mode, after six lanes go down the bridge through a ramp and reach the ground of one layer, the left turning lane passes through the bridge opening with 3, 4 and 12 lanes on the upper side after turning. And the running is continued from north to south through the bridge opening. The lane 12 turns left from the west to the north, firstly two layers of bridge floors are arranged, 16, 11, 10, 2, 1 and 9 are arranged under the bridge floors in a crossing way, after six lanes are descended from the bridge through a ramp to reach the ground of one layer, the lane turns left, and after turning, the lane passes through the bridge opening with 4, 3 and 11 lanes. And the steel wire rope passes through the bridge opening and continues to run from south to north. The turn-around lane for the coming car in the south direction, the turn-around lane for the coming car in the north direction, the turn-around lane for the coming car in the east direction and the turn-around lane for the coming car in the west direction are all on the ground at one floor, and no bridge floor is arranged at the two floors.
Figure 6 is a two deck profile of figure 5. The shape of the second deck in figure 6 is a staggered cross shape, is a dodecagon shape and has six parallel east-west lanes.
The fourth part: four pedestrian passages of overpass
Four pedestrian passages are arranged on the ground of one floor of the overpass, and road traffic lights are arranged above the entrance of the straight lane in the coming direction. Pedestrians and vehicles can wait or pass according to the display of the road traffic signal lamp. The alternating passing of the pedestrians and the vehicles is realized. The road traffic signal lamp adopts a two-step circulation mode: pedestrian → vehicle → pedestrian → vehicle … ….
The fifth part is that: two-layer bridge floor shape
Fig. 2, 4 and 6 are the shape diagrams of the two-layer bridge surface of the overpass. Fig. 2, 4 and 6 show the relevant lines outside the two-deck in fig. 1, 3 and 5, which are removed, and the remaining parts are removed after the lines are removed. As can be seen from fig. 2, 4 and 6: the two layers of bridge surfaces of the overpass are actually in a staggered cross shape. Is a dodecagon formed by the enclosed twelve line segments. In fig. 2, 4 and 6, the numbers 1-12 beside the edge of the two-layer bridge deck are the numbers of the dodecagons from 1 to 12 sides.
A sixth part: another insight to the invention
The invention is regarded as a crossroad staggered cross-shaped two-layer overpass, which is a method, and from another angle, the overpass can be regarded as an east-west two-layer bridge deck, and four bridge openings are arranged below the bridge deck. Counting from west to east, the first bridge opening is provided with two lanes to pass through, and the two lanes are as follows: a turning lane 16 for a west coming vehicle and a left turning lane 11 from the south of the east. The second bridge opening is provided with two lanes for passing through, and the two lanes are as follows: a straight lane 2 from north to south and a left turn lane 10 from north to east. And a third bridge opening, wherein two lanes pass through the third bridge opening, and the two lanes are as follows: a lane 9 turning from south to west and a lane 1 going straight from south to north. And a fourth bridge opening, wherein two lanes pass through the fourth bridge opening, and the two lanes are as follows: a turning lane 12 turning left from the west and a turning lane 15 coming from the east. That is, it can be said that: and the second layer of bridge surface is provided with eight or six east-west lanes. Four bridge openings are arranged below the bridge floor, and each bridge opening is provided with two lanes.
A seventh part: characteristic of the invention
The overpass is positioned at a crossroad and only has two layers of bridge floors.
And 2, the two layers of bridge surfaces are dodecagons, and the profiles of the two layers of bridge surfaces are staggered and cross-shaped.
And 3, the overpass has sixteen lanes comprising four straight lanes, four right-turning lanes, four left-turning lanes and four turning lanes.
4, the straight lane from east to west and the straight lane from west to east are on the two layers of bridge floor in the whole course. The straight lanes from south to north and the straight lanes from north to south are on the ground of one floor in the whole course, and no bridge floor of two floors is arranged.
And 5, four right-turning lanes are arranged at four corners of the first floor, are arranged on the first floor in the whole process, and are not provided with two layers of bridge floors.
And 6, turning left from south to west and turning left from north to east on the ground at the first layer and passing through the bridge opening to form the bridge opening, turning left, ascending to a second layer of bridge surface after turning, descending to the ground at the first layer after crossing two lanes below the bridge on the second layer of bridge surface, and continuing to turn west or east.
And 7, firstly, putting two layers of bridge floors on the south-east turning lane and the north-west turning lane, crossing six lanes below the bridge, descending the bridge through a ramp, turning left after reaching the ground of one layer, passing through the bridge opening after turning, and continuing to turn south or north after passing through the bridge opening.
In fig. 1, 3 and 5, the turn-around lanes of the east-going vehicles and the turn-around lanes of the west-going vehicles are on the same floor at the same time, and no bridge floor is arranged at the same floor.
In fig. 1, the turning lane for the southbound vehicle and the turning lane for the northbound vehicle turn left on the ground of the first floor, and after turning, go through the uphill road to the second floor, cross over the two lanes under the bridge, go through the downhill road to get off the bridge, go down to the ground of the first floor, and then turn left.
10, the overpass has no ramp.
The eighth part: inventive step of the invention
Compared with the prior art, the invention has substantive characteristics and remarkable progress. The expression is as follows:
1, the overpass has only two layers. The two-layer overpass is the overpass with the lowest level. The low level is the primary goal pursued by designers of overpasses. Because the bridge deck and the bridge opening under the bridge are fully utilized, the problem of interweaving among sixteen lanes is solved.
2, the overpass has no ramp. No ramp is another goal sought by designers of overpasses.
And 3, the overpass only has one bridge deck. Few bridge decks are the third goal pursued by designers of overpasses.
And 4, the overpass has sixteen lanes. Compared with the existing overpass, four turning lanes are added. Lane-sharing is the fourth goal pursued by designers of overpasses.
And 5, the overpass has four pedestrian paths. It is the fifth goal pursued by designers of overpasses that no additional overpasses need to be arranged or underground pedestrian tunnels need to be excavated.
6, all turning positions of turning lanes of the overpass are arranged on the ground layer, and bridge falling accidents are avoided. The no-drop accident is the sixth goal pursued by the designers of the overpass.
7, the overpass has compact structure and small occupied area, and is particularly important for super-large cities with large soil and gold. Economic utilization is the seventh goal pursued by designers of overpasses.
In view of the above seven points, i consider the present invention to be inventive.
The ninth part: the overpass has the advantages of
The overpass has the advantages that:
(1) the overpass has only one two-layer bridge floor. Because the height of the second deck is not too high, the ramps of all the lanes passing through the second deck are shorter, and the investment for building the bridge is saved. The two layers of bridge surfaces of the overpass are in a staggered cross shape, and the structure is very simple. There is no skylight and no ramp. The design difficulty is not great.
(2) The overpass has fewer ramps.
(3) The vehicle running through the overpass is convenient, four right-turning lanes, two south-north straight lanes, two turning lanes and the turning part of the turning lane are not provided with two layers of bridge floors. The vehicles passing through the second layer of bridge deck only have two east-west straight lanes, a turning lane for a south-going vehicle, a turning lane for a north-going vehicle and east-west parts of four left turning lanes.
(4) The overpass has four pedestrian paths. And an overbridge does not need to be additionally arranged or an underground pedestrian passageway does not need to be excavated.
(5) All turning lanes of the overpass are positioned on the ground of one floor, and no turning part is positioned on the bridge surface of the second floor, so that drivers passing through the overpass do not worry about falling accidents.
Claims (6)
1. A two-layer overpass with a staggered cross shape at a crossroad is characterized in that: the overpass is positioned at the crossroad and only has a two-layer bridge floor; the second layer of bridge deck is a dodecagon surrounded by twelve line segments, and the outline of the second layer of bridge deck is in a staggered cross shape; the staggered cross-shaped bridge deck is not a staggered crossroad; the overpass has sixteen lanes, including four straight lanes, four right-turning lanes, four left-turning lanes and four turn-around lanes; in fig. 1, a straight lane 1 from south to north and a straight lane 2 from north to south are on the ground at one floor in the whole process, and no bridge floor is on the two floors; the straight lane 3 from east to west and the straight lane 4 from west to east are on a second deck in the whole course; four right-turning lanes 5, 6, 7 and 8 are arranged at four corners of the first floor, are positioned on the first floor in the whole process, and are not provided with two layers of bridge floors; turning left on the lane 9 from south to west from south to north, running on the ground of the first floor from south to north, passing through the bridge opening with lanes 13, 10, 12, 4, 3 and 11 on the bridge floor of the second floor, getting out the bridge opening, turning left, rising to the bridge floor of the second floor through the ramp after turning, getting off the bridge through the ramp to the ground of the first floor after crossing two lanes No. 2 and No. 10 under the bridge on the bridge floor of the second floor, and continuing running to west; turning a lane 10 from north to east, starting to run from north to south on the ground of one floor, passing through the bridge openings of lanes 14, 9, 11, 3, 4 and 12 on the bridge floor of the second floor, getting out of the bridge openings, turning left, rising to the bridge floor of the second floor through a ramp after turning, getting off the bridge to the ground of one floor through the ramp after crossing two lanes 9 and 1 below the bridge on the bridge of the second floor, and then continuing to run from west to east; the left turning lane 11 from the south to the east rises to a two-layer bridge floor from the west to the east, 15, 12, 1, 9, 10 and 2 are arranged under the bridge floor in a crossing way, after six lanes are descended from a ramp to reach the ground of one layer, the left turning lane passes through a bridge opening with 3, 4 and 12 lanes on the upper surface after turning; passing through the bridge opening, and continuing to operate from north to south; the lane 12 turns left from the west to the north, runs from the west to the east, then goes up to two layers of bridge floors, crosses 16, 11, 2, 10, 9 and 1 below the bridge floors, gets off the bridge through a ramp, reaches the ground of one layer, turns left, and passes through the bridge opening with 4, 3 and 11 lanes after turning; passing through the bridge opening, and continuing to operate from south to north; in fig. 1, the U-turn lane 15 of the east coming vehicle and the U-turn lane 16 of the west coming vehicle are all on the ground of one floor, and no bridge deck of two floors is arranged; in fig. 1, a turning lane 13 of a southbound vehicle and a turning lane 14 of a northbound vehicle firstly turn left on the ground of a first floor, and after turning, go up a ramp to a second floor, cross over two lanes below the bridge, go down the bridge via a down ramp, go down to the ground of the first floor, and turn left again; in fig. 3 and 5, four U-turn lanes are all on the ground of one floor; FIG. 3 is a pattern produced after moving the lane number 13, 14 of FIG. 1 from a two deck to a one deck floor; FIG. 5 is a pattern generated by interchanging the positions of lanes 1 and 9 and lanes 2 and 10 in FIG. 3; the overpass has no ramp.
2. The crossroad-shaped two-layer overpass according to claim 1, characterized in that: the invention is regarded as a crossroad staggered cross-shaped two-layer overpass, which is a method, from another angle, the overpass can be regarded as an east-west-oriented two-layer bridge deck, and four bridge openings are arranged below the bridge deck; counting from west to east, the first bridge opening is provided with two lanes to pass through, and the two lanes are as follows: a turning lane 16 for a west-coming vehicle and a left turning lane 11 from the south of the east; the second bridge opening is provided with two lanes for passing through, and the two lanes are as follows: a straight lane 2 turning from north to south and a left turning lane 10 turning from north to east; and a third bridge opening, wherein two lanes pass through the third bridge opening, and the two lanes are as follows: a south-west left turning lane 9 and a south-north straight lane 1; and a fourth bridge opening, wherein two lanes pass through the fourth bridge opening, and the two lanes are as follows: a turning lane 12 turning left from the west to the north and a turning lane 15 turning to the east; that is, it can be said that: a second deck with four bridge openings, eight or six east-west lanes are arranged on the second deck; four bridge openings are arranged below the bridge floor, and each bridge opening is provided with two lanes.
3. The crossroad-shaped two-layer overpass according to claim 1, characterized in that: in fig. 1, the turn-around lanes of the east and west coming vehicles are all on the ground of one floor, and the turn-around lanes of the south and north coming vehicles need to pass through two floors; in fig. 3 and 5, all four turning lanes are on the ground of one floor.
4. The crossroad-shaped two-layer overpass according to claim 1, characterized in that: four pedestrian passages are arranged on the ground of one floor of the overpass, and road traffic lights are arranged above the entrance of a straight lane in the coming direction; pedestrians and vehicles can wait or pass according to the display of the road traffic signal lamp.
5. The crossroad-shaped two-layer overpass according to claim 1, characterized in that: turning left from south to west and turning left from north to east on the ground at the first floor, passing through the bridge opening, getting out of the bridge opening, turning left, ascending to the second floor after turning, descending to the ground after the second floor crosses two lanes under the bridge, and continuing to turn west or east; the left turning lane from the south to the east and the left turning lane from the north to the west firstly go to two layers of bridge floors, cross over six lanes below the bridge, get off the bridge through a ramp, turn left after reaching the ground of one layer, pass through the bridge opening after turning, and continue to turn south or north after passing through the bridge opening.
6. The crossroad-shaped two-layer overpass according to claim 1, characterized in that: FIG. 2, FIG. 4 and FIG. 6 are the shapes of two layers of overpass; FIG. 2 is a cross-shaped, dodecagonal bridge deck with eight parallel east-west lanes; the shape of the second deck in fig. 4 and 6 is a staggered cross shape, is a dodecagon shape, and has six parallel east-west lanes.
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| CN202110548371.3A CN113089400A (en) | 2021-05-19 | 2021-05-19 | Two-layer overpass with staggered cross-shaped crossroad |
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| CN114000385A (en) * | 2021-10-28 | 2022-02-01 | 李益安 | Double-bayonet wrench shaped two-layer overpass at crossroad |
| CN114182614A (en) * | 2021-10-28 | 2022-03-15 | 李益安 | Chinese character 'shi' shaped two-layer overpass at crossroad |
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